[Q] Nexus 4 battering keeps discharging and recharging while plugged in - Nexus 4 Q&A, Help & Troubleshooting

Hi everyone,
I searched the forum for a satisfactory answer yet I don't seem to find one so I'm going to ask here...
I have the habit of plugging my Nexus 4 as soon as I get home, keep it plugged overnight, and unplug it the next day when going to work. About two weeks ago I noticed that occasionally the phone indicates that the phone is fully charged yet, some minutes afterwards it indicates that the battery is at 98-99% and is charging again. I was quite intrigued so I started using some battery applications (e.g. Battery Widget Reborn) and I now notice that the "problem" is quite frequent and happens every single time the phone is plugged (I tried withe the original USB cable that came with the phone as well as with other cables). Attached is an image showing the weird pattern that I'm having...
Does any one have the same problem ? Anyone cares to explain to me why this is happening ???
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Isn't that done on purpose? You don't want to keep charging at 100% so the phone discharges after reaching 100% for a while.
Sent from my Nexus 4 using xda app-developers app

rasengan82 said:
Isn't that done on purpose? You don't want to keep charging at 100% so the phone discharges after reaching 100% for a while.
Sent from my Nexus 4 using xda app-developers app
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When 100% is reached, the battery, for the best of my knowledge, is not used... Therefore, I find that it discharges very very quickly for an unused battery !

Mine does that as well. I thought that was normal?
Sent from my Nexus 4 using Tapatalk 4 Beta

It's Normal as phone batteries reach 100, discharge a bit and stays there. Btw ROM + Kernel?

sigma392 said:
It's Normal as phone batteries reach 100, discharge a bit and stays there. Btw ROM + Kernel?
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Just stock Android 4.2.2

How quickly it uses that small amount of battery that kicks it back into charge mode is going to depend on what you have running and syncing in the background.
Sent from my Nexus 4 using Tapatalk 4 Beta

Related

App drainimg battery?

Bought the vibrant 4 days ago. Flashed it 2 with the Obsidian ROM. Getting great battery life from it too.
Had some free time on my hands yesterday and went on an app downloading rampage. In two hours of light use today my battery has dropped 40%!
How can I identify the source of the power loss?
Sent from my SGH-T959 using XDA App
Media hub always seems to start itself and does drain some. Have you reconditioned your battery yet? I'm on obsidian v2 and this is where I'm at so far.
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19 hours with 23% left, not too bad. I downloaded a boat load of apps, installed even more from backup, played a little bit of angry birds and have been streaming Pandora for the past 4 hours.
Sent from my SGH-T959 using XDA App
I did. Took about 9 hours of constant use to drain the ***** too! Exactly why I dont get what's draining the battery. Task manager and Services seem normal as well. Battery usage itsthe same as yours... :\ FML
What I do to recondition is charge to 100% and keep it plugged in for 5 minutes longer... unplug for a minute or two, plug back in, charge til full again and keep plugged in for a few minutes longer. Continually doing this until it takes awhile for it to get below 100% unplugged. This seems to work better for me than the charge, clear battery stats, discharge etc.. and doesn't take nearly as long.
Sent from my SGH-T959 using XDA App
i'll give it a shot... she went down to 11% in a flash. lets see whats up
System panel is a great app to monitor how much CPU an app uses.
Sent from my SGH-T959 using XDA App

Nexus 10 charging Time

Nexus 10 is a great tab but some people tell it take long time to charging
How much time to charge With Magnetic pogo charge and usb
Some people tell me 0 _ 100 7 to 8 hours full charge
It is true or not
Sent from my HTC One using xda premium
with a slow USB charger 6hrs + is quite possible but get the Pogo connector on the original charger and it can be pretty quick considering the size of the battery. the graph is on charge with the Pogo, I rarely charge on USB since getting that.
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Sent from my Nexus 10 using XDA Premium HD app
I can't comment on the exact time it takes to charge with the stock charger, however when I plug mine in at night it is always 100% in the morning. I don't have a pogo charger. I've never not been able to make it through a day on a single charge.
Sent from my Nexus 10 using Tapatalk HD
sdmark said:
I can't comment on the exact time it takes to charge with the stock charger, however when I plug mine in at night it is always 100% in the morning. I don't have a pogo charger. I've never not been able to make it through a day on a single charge.
Sent from my Nexus 10 using Tapatalk HD
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Here are my results. On the stock charger for every 10% of discharge it takes 39 minutes. So if you were to start charging from 10% at 39 minutes per 10% it would take you 351 minutes or 5.85 hours. And that is leaving screen to auto brightness. If brightness is at any different setting it will, and I mean it will take much longer. Even when its in sleep.
I love the tablet. Have had many brands. And have had a lot of Samsung devices also. But seems to me the bigger Samsung makes there products. The worse the battery life gets. That includes SGS3 and 4. "Google. Glad to see you open up to other manufacturers. Samsung just can't cut it anymore".

Battery drain problems... funky wakelocks... Please help!

I'm having a funky wakelock issue. Over the last couple of days I've had a PhoneApp partial wakelock that's been running almost continuously while the phones been off the charger. Today a new one related to the phone popped up. I've attached screen shots and dump files from better battery stats so hopefully someone can help me figure out what's going on.
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Sent from my SM-N900V using Tapatalk
I also have the log cat file if needed.
Do you have any MOD that enables the Torch/Flashlight to work from the lockscreen by long pressing volume up or down? I used to have that on and it killed battery from my experience
I do have that mod enabled although I have had it enabled for months and have not had any issues with it draining battery.
nateohio said:
I do have that mod enabled although I have had it enabled for months and have not had any issues with it draining battery.
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Yeah I would disable it for process of elimination to see if that's the cause.
Or another route is do you remember if you restarted your phone since you unplugged it off of the charger? Try to restart your phone everytime you take it off of a charger with the MOD enabled to see if that corrects it
I don't know why this fixed it but it did. I wonder what the developer changed in the coding to cause this to be an issue now
Sent from my SM-N900V using Tapatalk
I read that not only the long press for torch but also the long press for music controls did the same thing. Thought it would be a great idea until I read about the power drain
Sent from my SM-N900V using XDA Premium HD app
With the note 3's massive battery I was still finishing an 18 hour day with 40-50 percent remaining but anything that hits battery life, in particular anything that keeps the phone from deep sleeping, has got to go.
For me it's not so much about day to day battery life as it is about long term battery health
Sent from my SM-N900V using Tapatalk

i9505 Charging issue

So I'm running Danvdh's GPE ROM on my S4 on 4.4.2 and in the last few days my charging has become really slow. I'm using Samsung's charger that came with the S4 but the charge seems to be trickling in and the S4's battery isn't doing so well either, 7 hours with 3 hours screen on time.
In the kernel app it shows that the charging current is 1A, which is lower than the 2.1 the Samsung charger usually outputs, you can change the charging current in this kernel app however I haven't done so, I've even reset the settings to default but still the issue persists
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The battery could be going up. Sometimes when they fail they fail in a hurry. Like they go from working fine to bad overnight.
Other times they gradually decline in quality over many months.
If you have access to another battery that's always a good thing to try first.
TheKeyboardWarrior said:
So I'm running Danvdh's GPE ROM on my S4 on 4.4.2 and in the last few days my charging has become really slow. I'm using Samsung's charger that came with the S4 but the charge seems to be trickling in and the S4's battery isn't doing so well either, 7 hours with 3 hours screen on time.
In the kernel app it shows that the charging current is 1A, which is lower than the 2.1 the Samsung charger usually outputs, you can change the charging current in this kernel app however I haven't done so, I've even reset the settings to default but still the issue persists
Sent from my GT-I9505G using Tapatalk
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sometime the battery bugged..try this
pulled out the battery for 30 minutes and get it back in and charge normally.
Why is there the assumption that 3 hours screen on time is not good? It's perfectly normal.
It can be 2 things.
Your charger, so try a different charger of the rom/kernel you are using.

Note 3 charges very slowly on portable charger but it used to work fine

I have the white portable charger that came as a gift with my purchase of Note 3 (it's an original Samsung accessory). It used to work just fine, charging quite quickly. However, now, it charges extremely slowly. If I use my phone while charging, it either won't charge or will drain slowly.
I'm not sure if it's a hardware issue (my phone, the battery) or software (ROM/kernel). IIRC, when it worked, I was on Omega ROM. Now I'm on CM11.
Also, I lent my friends the charger and it worked just fine on their smaller phones.
It happened to me too a few times. The phone would charge very slow when plugged into the wall charger.
Then just yesterday i found out that obviously sometimes when i plugged in the wall charger, the phone would recognize it as a usb connection. So therefore it was charging slower. I then had to reconnect the charger and all was fine.
I now installed Battery Widget from the Play Store which shows to what you are connected when charging, AC or USB. And it has a nice charging animation too.
Just sayin', as this might not help you.
Sent from my N9005
Hm, it's only 1.8Ampere.... That's a little weak.
Did you check for any running apps draining the battery whilst using it?
I charge my Note 3 with my aSolar Xstorm 15600mah every night(2.1Ampere). The only times it charged slowly was when I had left an app running (usually 9gag) and/or suffered a wakelock.
Sent from my SM-N9005 using Tapatalk 2
Have you tried this?
https://play.google.com/store/apps/details?id=com.abmantis.galaxychargingcurrent
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celderic said:
Have you tried this?
https://play.google.com/store/apps/details?id=com.abmantis.galaxychargingcurrent
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I will, looks great, thanks!
Out of curiosity, how did you know about this? There seems to be so many useful utilities out there, how do I explore them all?
Update: Ah.. the battery pack was giving me only 300mA. No wonder.
fterh said:
I will, looks great, thanks!
Out of curiosity, how did you know about this? There seems to be so many useful utilities out there, how do I explore them all?
Update: Ah.. the battery pack was giving me only 300mA. No wonder.
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Change the charging cable.. This probably the real reason why you got only 300mA charging current..
If you are using the charger that came with the phone, I wouldn't be surprised, they are crap. I have seen this problem with my note 3 and two other galaxy s3 in my family. I think that's Samsung wanting to make extra money selling additional chargers.
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